CN103814421A - Method to monitor safe operation of ultracapacitor - Google Patents
Method to monitor safe operation of ultracapacitor Download PDFInfo
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- CN103814421A CN103814421A CN201280045519.0A CN201280045519A CN103814421A CN 103814421 A CN103814421 A CN 103814421A CN 201280045519 A CN201280045519 A CN 201280045519A CN 103814421 A CN103814421 A CN 103814421A
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/12—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/14—Protection against electric or thermal overload
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/08—Housing; Encapsulation
- H01G9/12—Vents or other means allowing expansion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
A container of an electrochemical double-layer capacitor for holding electrodes and electrolyte includes a housing having a cavity and a cap portion coupled to the housing forming a fluid-tight reservoir with the cavity. The container also includes a plurality of terminals incorporated into one or more of the housing or the cap portion, where the plurality of terminals adapted to be electrically coupled to the electrodes, and a pressure-compliant membrane incorporated into one of the housing or the cap portion. A pressure monitoring system that monitors the pressure inside the container includes a displacement measuring device adapted to measure a deflection of the pressure-compliant membrane.
Description
The application requires the priority of the U.S. Patent application 13/237139 of submit applications on the 20th September in 2011 according to 35U.S.C. § 120, and also by reference its content whole is incorporated herein based on its content.
Background technology
The disclosure generally relates to the pressure monitoring system of electrochemical double layer capacitor.
Summary of the invention
Double-layer capacitor or ultracapacitor are the electrochemical energy memory devices that conventionally shows the energy density higher than other electrochemical capacitor type.But, in the time that electrochemical double layer capacitor is charged in time under its rated voltage, in the container that holds capacitor, may produce gas.The generation of this gas is the contingent chemistry that needs and the byproduct of electrochemical reaction of not conforming to when electrochemical double layer capacitor is stored and discharged.The generation of gas tends to increase the internal pressure of container.
May not conform to and need from the exhaust of gathering gas of electrochemical double layer capacitor.For example, these gases may be harmful to people or environment, and easily on fire or blast.In addition, exhaust can make extraneous air and steam be introduced in container, the performance that this can further deteriorated electrochemical double layer capacitor.
Inventor has recognized that, along with the performance degradation of electrochemical double layer capacitor itself, electrochemical double layer capacitor tends to increase the generation of gas between charge period.Along with the performance degradation of electrochemical double layer capacitor, can produce more gaseous products, further increase thus the pressure in container.Therefore, inventor has found that the interior pressure in container may be associated with health and/or the performance of electrochemical double layer capacitor.
In order to monitor the healthy of electrochemical double layer capacitor and to prevent that electrochemical double layer capacitor from living through pressure condition, inventor has developed a kind of external pressure surveillance of the interior pressure that can monitor container.
In one embodiment, comprise housing for the container of hold electrodes and electrolyte electrochemical double layer capacitor, this housing has chamber and cover portion, and described cover portion is coupled to housing and forms with chamber thus the reservoir of Fluid Sealing.Container also comprises multiple terminals of bringing in housing or cover portion one or more, and wherein multiple terminals are suitable for being electrically coupled to electrode, and within pressure responsive membrane is included in housing and cover portion.
In another embodiment, the pressure monitoring system of electrochemical double layer capacitor comprise the reservoir with Fluid Sealing container, bring the pressure responsive membrane in container into, the wherein fluid pressure in the reservoir of pressure responsive membrane fluid-responsive sealing and deflection.Pressure monitoring system also comprises displacement measuring equipment, and it is suitable for the deflection of gaging pressure responsive membrane.
In another embodiment, the method for the pressure in a kind of Manage Containers comprises the deflection that monitors the pressure responsive membrane being communicated with the reservoir fluid of holding the Fluid Sealing in the container of electrochemical double layer capacitor.The method also comprises the baseline of the deflection of pressure responsive membrane and container is compared.
These that are provided by embodiment described herein and supplementary features are in view of detailed description below and will be understood more fully by reference to the accompanying drawings.
Accompanying drawing summary
Embodiment shown in accompanying drawing be in nature illustrative with exemplary, and the subject matter not being intended to being defined by the claims is construed as limiting.Illustrative embodiment the following detailed description can in conjunction with below accompanying drawing understood best while reading, identical structure is used the indication of identical Reference numeral in the accompanying drawings, and in the accompanying drawings:
Fig. 1 illustrates according to the front perspective view of the container of the electrochemical double layer capacitor of the one or more embodiment that illustrate herein and describe;
Fig. 2 illustrates the front perspective view of the electrochemical double layer capacitor launching according to the part of the one or more embodiment that illustrate and describe herein;
Fig. 3 illustrates the part front cross-sectional view obtaining along cutting line A-A according to the container of the electrochemical double layer capacitor of Fig. 1 of the one or more embodiment that illustrate and describe herein, and this container comprises displacement measuring equipment;
Fig. 4 illustrates the part front cross-sectional view obtaining along cutting line A-A according to the container of the electrochemical double layer capacitor of Fig. 1 of the one or more embodiment that illustrate and describe herein, and this container comprises displacement measuring equipment;
Fig. 5 illustrates the part front cross-sectional view obtaining along cutting line A-A according to the container of the electrochemical double layer capacitor of Fig. 1 of the one or more embodiment that illustrate and describe herein, and this container comprises displacement measuring equipment;
Fig. 6 illustrates the part front cross-sectional view obtaining along cutting line A-A according to the container of the electrochemical double layer capacitor of Fig. 1 of the one or more embodiment that illustrate and describe herein, and this container comprises pressure-sensitive film; And
Fig. 7 illustrates according to the schematic diagram of the pressure monitoring system of the electrochemical double layer capacitor of the one or more embodiment that illustrate herein and describe.
Embodiment
Embodiment described herein relates to the pressure monitoring system of electrochemical double layer capacitor.One exemplary pressure surveillance comprises: the container that electrochemical double layer capacitor is set therein; And bring the pressure responsive membrane being communicated with in container and with electrochemical double layer capacitor fluid into.Pressure monitoring system also comprises displacement measuring equipment.Along with the pressure in container increases, the outside deflection of pressure responsive membrane.Displacement measuring equipment monitors the outside deflection of pressure responsive membrane.This deflection is processed to estimate the pressure in container.
Referring to Fig. 1, electrochemical double layer capacitor 200 comprises the container 210 of the reservoir 214 with Fluid Sealing.In the illustrated embodiment, container 210 comprises the cover portion 216 that has the housing 212 in chamber 213 and be coupled in housing 212 or be integrally formed with housing 212.Housing 212 forms the reservoir 214 of Fluid Sealing together with cover portion 216, in the interior insertion double layer capacitor of reservoir 214 unit 400 of Fluid Sealing.The liquid electrolyte in any space in the reservoir 214 that double layer capacitor unit 400 is sealed by fill fluid around.
Pressure responsive membrane 110 is included into the surface 211 that the outside of container 210 can reach.In the illustrated embodiment, pressure responsive membrane 110 is included in cover portion 216; But pressure responsive membrane 110 can be included in the surface 211 that the outside of housing 212 can reach.
Referring to Fig. 2, electrochemical double layer capacitor 200 comprises double layer capacitor unit 400, this double layer capacitor unit 400 comprises two electrodes 402 being separated by non-conductive separator 406, and this non-conductive separator 406 physically separates electrode 402 and prevents electrode 402 short circuit each other.Non-conductive separator 406 can be formed by the porous dielectric material that includes but not limited to paper.Double layer capacitor unit 400 can be " jelly-roll " formula, and wherein electrode 402 and non-conductive separator 406 are wrapped in each other around to form substantial cylindrical.Electrolyte spreads all over all layer of distribution of unit 400.In the time applying voltage across each in two electrodes 402, the lip-deep electric field of electrolyte ionizable and each electrode 402 can gather electric charge.Electrochemical double layer capacitor 200 can store this electric charge until while needing it, now the electric charge of electrode 402 can be discharged.
Can comprise any electric conducting material that is applicable to electrochemical double layer capacitor 200 according to electrode 402 of the present disclosure.In one embodiment, at least one in electrode 402 comprises flexible conducting material, and it can be that for example fold, roller volume or coiling.In another embodiment, at least one in electrode 402 comprises metal, for example, comprise aluminium.On the other hand, the one or both in electrode 402 comprises material with carbon element, comprises for example carbon coating, and it has increased the surface area of electrode 402.Do not need two electrodes 402 to be all of identical composition and two aspects that electrode 402 has identical and different compositions all can be considered.In another embodiment, electrode 402 comprises compatible other material and the electrolytical material utilizing in electrochemical double layer capacitor 200 designs.
Electrode 402 is included in substantially noncorrosive material under electrochemical double layer capacitor 200 environment.In certain embodiments, at least one in electrode 402 is included in its at least one lip-deep coating, and it comprises all or part of of volume of for example electrode 402.In these embodiments, the carbon coating that comprises for example high surface area carbon appears at least one at least a portion on a surface of electrode 402.Aspect another, whole effective areas on electrode 402 surfaces comprise high surface carbon coating.Electrode 402 and electrode coating material can be from obtaining on the market, and those skilled in that art can select suitable electrode 402 and/or electrode coating material.
Non-conductive separator 406 can comprise for example paper, mica, glass, pottery, aeroge, silica, non-conductive carbon, polymeric material or its combination.Under the voltage that non-conducting material is worked at given electrochemical double layer capacitor 200 and operating condition, be non-conductive substantially.Non-conductive separator 406 can be scattering and/or spread through non-conductive separator 406 with permission electrolyte of porous.
In the embodiment describing at Fig. 2, electrode 402 comprises the extended bonding pad 404 of volume from electrode 402.The bonding pad 404 of electrode 402 is electrically coupled to terminal 218, and this terminal 218 is included in one or more in housing 212 or cover portion 216, as shown in Figure 1.
Refer again to Fig. 1, when electrode 402 is wound in substantial cylindrical, double layer capacitor unit 400 is introduced in the chamber 213 of housing 212.Liquid electrolyte is introduced in chamber 213 so that electrolyte surrounds electrode 402.Cover portion 216 is coupled to and is fixed to housing 212, forms thus the reservoir 214 of Fluid Sealing together with housing 212, and it remains on liquid electrolyte in housing 212 and therefore remain in container 210.
Multiple electrochemical double layer capacitors 200 can be electrically coupled together to provide under given application and close the electricity storage needing.Container 210 can comprise multiple Fluid Sealing reservoirs 214, in each Fluid Sealing reservoir 214, inserts double layer capacitor unit 400.
Referring now to Fig. 3,, it illustrates an embodiment of the pressure monitoring system 100 of electrochemical double layer capacitor 200.Pressure monitoring system 100 comprises displacement measuring equipment 102, and this displacement measuring equipment 102 monitors the deflection of pressure responsive membrane 110.Embodiment shown in Fig. 3 comprises optical measuring system 120, and this optical measuring system 120 monitors the shift length of pressure responsive membrane 110.Optical measuring system 120 can include but not limited to laser 122, high resolution camera or white light scanning transducer.
Pressure responsive membrane 110 shown in Fig. 3 is local attenuation parts 111 of container 210.Along with the pressure of the liquid electrolyte in container 210 increases, pressure responsive membrane 110 is by outside deflection.Displacement measuring equipment 102 monitors the minimum range between displacement measuring equipment 102 and pressure responsive membrane 110.Displacement measuring equipment 102 also can monitor the distance between displacement measuring equipment 102 and baseline surface 112, and described baseline surface 112 is here the abutment surface of cover portion 216.Monitor the deflection distance of the definite pressure responsive membrane 110 of distance permission between pressure responsive membrane 110 and baseline surface 112.This deflection distance is corresponding to the interior pressure in container 210
Although it is recessed from baseline surface 112 that the embodiment shown in Fig. 3 illustrates pressure responsive membrane 110, but having imagined pressure responsive membrane 110, other embodiment of container 210 is positioned along baseline surface 112.In this embodiment, in the time that the pressure in container 210 is outwards out of shape pressure responsive membrane 110, pressure responsive membrane 110 is roughly coplanar with baseline surface 112.
Be not limited to theory, the deflection distance of pressure responsive membrane 110 is based on many factors, the intensity of pressing in including but not limited to the method for attachment between thickness and material character, pressure responsive membrane 110 and container 210 surrounding structures of pressure responsive membrane 10 and causing in the poor container 210 of cross-pressure power responsive membrane 10 applied pressures.Can design consideration electrochemical double layer capacitor 200 of the present disclosure so that the stress that the pressure differential of cross-pressure power responsive membrane 110 causes due to this pressure differential in pressure responsive membrane 110 before exceeding the yield strength of pressure responsive membrane 110 and/or tensile strength, detected by displacement measuring equipment 102.If exceeded the tensile strength of pressure responsive membrane 110, pressure responsive membrane may jeopardize the seal integrity of Fluid Sealing reservoir 214.Therefore, pressure monitoring system 100 pressure in test fluid sealing reservoir 214 before this over-voltage events occurs increases.
Referring now to Fig. 4,, it illustrates another embodiment of the pressure monitoring system 100 of electrochemical double layer capacitor 200.Pressure monitoring system 100 comprises displacement measuring equipment 102, the deflection of the contact measurement pressure responsive membrane 110 of this displacement measuring equipment 102 based between displacement measuring equipment 102 and pressure responsive membrane 110.The displacement measuring equipment 102 of Fig. 4 is contact measurement systems 130, and it records the contact between contact sensing probe 132 and pressure responsive membrane 110.Contact surveillance 130 can provide the electronic signal of the contact between indication contact sensing probe 132 and pressure responsive membrane 110.Contact sensing probe 132 and not rock deformation pressure responsive membrane 110 separate a distance, and this distance is pressed in requiring corresponding to the maximum of container 210.
In another embodiment of pressure monitoring system 100, contact surveillance 130 can comprise the force measuring device that is coupled to contact sensing probe 132.Contact sensing probe 132 can make 110 deflections of pressure responsive membrane get back to not deformation state.The interior pressure of the required power of deformation state not corresponding to container 210 got back in pressure responsive membrane 110 distortion that makes being recorded by force measuring device.
Referring now to Fig. 5,, it illustrates another embodiment of the pressure monitoring system 100 of electrochemical double layer capacitor 200.Pressure monitoring system 100 comprises can cast medium 140, and it is introduced in container 210 as liquid, plastic solidification or viscoelastic fluid, and allows it to solidify or the shape of distortion mineralization pressure responsive membrane 110 and baseline surface 112.This can cast medium 140 an example comprise putty.As shown in Figure 5, can cast medium 140 be placed in the cover portion 216 of container 210 so that can cast medium 140 both contact with pressure responsive membrane 110 and baseline surface 112.Once can cast medium 140 solidify, the deflection of pressure responsive membrane 110 be maintained at can cast medium 140 on, this can cast medium 140 be removed and can determine according to multiple inspection method inspection the deflection of pressure responsive membrane 110 from container 210.
Referring now to Fig. 6,, it illustrates another embodiment of pressure responsive membrane 110.In this embodiment, pressure responsive membrane 110 comprises elasticity washer 114, and this elasticity washer 114 keeps confining in retaining ring 116.Pressure responsive membrane 110 is inserted in the opening of container 210 so that pressure responsive membrane 110 is communicated with the liquid electrolyte and any gaseous fluid that are contained in Fluid Sealing reservoir 214.As shown in Figure 6, retaining ring 116 remains on appropriate position by hold-down screw 118, and this hold-down screw 118 applies sealing force to maintain Fluid Sealing reservoir 214 and to continue to make pressure responsive membrane 110 to keep being communicated with Fluid Sealing reservoir 214 fluids to retaining ring 116.As what discuss in conjunction with the pressure monitoring system 100 as shown in Fig. 3-5 above, the deflection of pressure responsive membrane 110 can compare with the baseline surface of container 210 112.
Although the pressure responsive membrane 110 shown in Fig. 6 is fixed on container 210 by machanical fastener, also can consider to include but not limited to welding, solder brazing and bonding by other fixing means.In one embodiment, pressure responsive membrane 110 by laser welding to surround the structure of cover portion 216.
Referring now to Fig. 7,, comprise pressure monitoring system 100 for the control system 90 monitoring or control the operation of electrochemical double layer capacitor 200.Displacement measuring equipment 102 is determined the displacement of pressure responsive membrane 110 or is determined by displacement sensing signal 302 whether pressure responsive membrane 110 contacts with contact sensing probe 132.Shift length signal 304 is sent to electronic control unit 300 by displacement measuring equipment 102.Electronic control unit 300 comprises the memory 320 of processor 310 and storage computer-readable and executable instruction set.In the time that electronic control unit 300 is determined the maximum internal pressure having reached in electrochemical double layer capacitor 200, electronic control unit 300 can be sent to indicating device 330 by index signal 306, and this index signal 306 is indicated and in electrochemical double layer capacitor 200, reached maximum internal pressure to user.The example of these indicating devices 330 includes but not limited to the clock that signal lamp maybe can be heard.
In certain embodiments, electronic control unit 300 can be electrically coupled to pressure-reducing valve 260.Electronic control unit 300 can offer pressure-reducing valve 260 so that it moves to enable possition by valve framing signal, and gas and/or liquid electrolyte can leave container 210 thus, thereby reduces the possibility of container 210 interior over-voltage events.
Be appreciated that now the deflection that monitors pressure responsive membrane according to the pressure monitoring system of electrochemical double layer capacitor of the present disclosure, to determine the pressure in the Fluid Sealing reservoir that holds double layer capacitor unit.The deflection of pressure responsive membrane is relevant to the interior pressure that is applied to film, and is the performance of double layer capacitor unit and the indication of health.Pressure monitoring system can be included in control system, and this control system order stops charging and/or the order of electrochemical double layer capacitor and discharges from electrochemical double layer capacitor.
Be appreciated that term " substantially " and " approximately " are used for representing to be attributable to the intrinsic uncertainty degree of any amount comparison, value, measurement or other expression in this article.Also utilize in this article these terms represent quantization means be different from stated reference but in this problem, do not cause subject matter basic function change degree.
Although illustrated and described specific embodiment herein, be to be understood that the spirit and scope that can make multiple other change and correction and do not depart from claimed subject matter.But although described the many aspects of claimed subject matter herein, but these aspects are not necessarily used in combination.Therefore, be intended to make appended claims to cover all these changes and the correction that drop within the scope of subject matter required for protection.
Claims (23)
1. a container for hold electrodes and electrolyte electrochemical double layer capacitor, described container comprises:
There is the housing in chamber;
Be coupled to described housing to form the cover portion of Fluid Sealing reservoir together with described chamber; Bring the one or more multiple terminals in described housing or described cover portion into, described multiple terminals are suitable for being electrically coupled to described electrode; And
Bring the pressure responsive membrane of in described housing or described cover portion into.
2. container as claimed in claim 1, is characterized in that, described pressure responsive membrane comprises the elasticity washer that is coupled to retaining ring.
3. container as claimed in claim 1, is characterized in that, described pressure responsive membrane is the local attenuation part of in described housing or described cover portion.
4. container as claimed in claim 1, is characterized in that, also comprises among one that is included in described housing or described cover portion and the pressure-reducing valve being communicated with described Fluid Sealing reservoir fluid.
5. container as claimed in claim 4, is characterized in that, described pressure-reducing valve comprises rupture disk.
6. container as claimed in claim 4, is characterized in that, described pressure-reducing valve comprises unidirectional valve.
7. for a pressure monitoring system for electrochemical double layer capacitor, comprising:
There is the container of Fluid Sealing reservoir;
Bring the pressure responsive membrane in described container into, the deflection in response to the fluid pressure in described Fluid Sealing reservoir of described pressure responsive membrane; And
Displacement measuring equipment, described displacement measuring equipment is suitable for measuring the deflection of described pressure responsive membrane.
8. pressure monitoring system as claimed in claim 7, is characterized in that, also comprises the double layer capacitor unit of including in described Fluid Sealing reservoir.
9. pressure monitoring system as claimed in claim 8, is characterized in that, described pressure responsive membrane be communicated with around the liquid electrolyte fluid of described double layer capacitor unit.
10. pressure monitoring system as claimed in claim 7, is characterized in that, described pressure responsive membrane comprises the elasticity washer that is coupled to retaining ring.
11. pressure monitoring systems as claimed in claim 7, is characterized in that, described pressure responsive membrane is the local attenuation part of described container.
12. pressure monitoring systems as claimed in claim 7, is characterized in that, described displacement measuring equipment comprises optical measuring system.
13. pressure monitoring systems as claimed in claim 12, is characterized in that, described optical measuring system comprises laser.
14. pressure monitoring systems as claimed in claim 7, is characterized in that, described displacement measuring equipment comprise as liquid be introduced in described container and solidify can cast medium, it records the deflection of described pressure responsive membrane.
15. pressure monitoring systems as claimed in claim 7, is characterized in that, described displacement measuring equipment comprises and is suitable for producing the surveillance that contacts that is used to indicate shift length signal that described pressure responsive membrane contacts with contact sensing probe.
16. pressure monitoring systems as claimed in claim 8, is characterized in that, also comprise the electronic control unit that is electrically coupled to described displacement measuring equipment, and described electronic control unit comprises the memory of processor and storage computer-readable and executable instruction set.
17. pressure monitoring systems as claimed in claim 16, it is characterized in that, also comprise the charging management system that is electrically coupled to described electronic control unit and described electrochemical double layer capacitor, wherein, described electronic control unit receives displacement distance signal and described instruction set carried out by described processor so that described electronic control unit is sent to described charging management system to stop that charging voltage is offered to described electrochemical double layer capacitor by charging control signal from described displacement measuring equipment.
Manage the method for the pressure in electrochemical double layer capacitor container, comprising for 18. 1 kinds:
Monitor the deflection of the pressure responsive membrane being communicated with Fluid Sealing reservoir fluid in the container of described electrochemical double layer capacitor;
The baseline of the deflection of described pressure responsive membrane and described container is compared.
19. methods as claimed in claim 18, is characterized in that, the deflection of described pressure responsive membrane is recorded by optical measuring system.
20. methods of government pressure as claimed in claim 18, is characterized in that, also comprise:
Can cast medium be incorporated into the baseline of described pressure responsive membrane and described container; And
Make described can cast medium solidifying.
21. methods of government pressure as claimed in claim 18, it is characterized in that, the deflection of described pressure responsive membrane is recorded by contact surveillance, and described contact surveillance produces shift length signal in the time that described pressure responsive membrane contacts with contact sensing probe.
22. methods of government pressure as claimed in claim 18, is characterized in that, also comprise to charging management system and issue a signal to stop the Charge Management to described electrochemical double layer capacitor.
23. methods of government pressure as claimed in claim 18, is characterized in that, also comprise to charging management system and issue a signal with to described electrochemical double layer capacitor electric discharge.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/237,139 | 2011-09-20 | ||
| US13/237,139 US8820171B2 (en) | 2011-09-20 | 2011-09-20 | Method to monitor safe operation of an ultracapacitor |
| PCT/US2012/055051 WO2013043448A1 (en) | 2011-09-20 | 2012-09-13 | Method to monitor safe operation of an ultracapacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103814421A true CN103814421A (en) | 2014-05-21 |
| CN103814421B CN103814421B (en) | 2017-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280045519.0A Expired - Fee Related CN103814421B (en) | 2011-09-20 | 2012-09-13 | The method of the trouble free service of monitoring ultracapacitor |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8820171B2 (en) |
| EP (1) | EP2758973A1 (en) |
| JP (1) | JP2014531765A (en) |
| KR (1) | KR20140069142A (en) |
| CN (1) | CN103814421B (en) |
| WO (1) | WO2013043448A1 (en) |
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|---|---|---|---|---|
| DE102015010740A1 (en) | 2015-07-29 | 2017-02-02 | Electronicon Kondensatoren Gmbh | Arrangement for monitoring and signaling the condition of encapsulated high-power electrical capacitors |
| RU170167U1 (en) * | 2016-05-04 | 2017-04-18 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Омский государственный технический университет" | HIGH VOLTAGE CAPACITOR |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20140069142A (en) | 2014-06-09 |
| US20130069603A1 (en) | 2013-03-21 |
| US8820171B2 (en) | 2014-09-02 |
| WO2013043448A1 (en) | 2013-03-28 |
| EP2758973A1 (en) | 2014-07-30 |
| CN103814421B (en) | 2017-03-15 |
| JP2014531765A (en) | 2014-11-27 |
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